40636640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2099}}^1$

素因数の和:2136

約数の個数: 72

約数和(自身を含む): 105575400

約数和(自身を除く): 64938760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2099, 2420, 3872, 4198, 4840, 8396, 9680, 10495, 16792, 19360, 20990, 23089, 33584, 41980, 46178, 67168, 83960, 92356, 115445, 167920, 184712, 230890, 253979, 335840, 369424, 461780, 507958, 738848, 923560, 1015916, 1269895, 1847120, 2031832, 2539790, 3694240, 4063664, 5079580, 8127328, 10159160, 20318320, 40636640]

約数ペア:

[(1, 40636640), (2, 20318320), (4, 10159160), (5, 8127328), (8, 5079580), (10, 4063664), (11, 3694240), (16, 2539790), (20, 2031832), (22, 1847120), (32, 1269895), (40, 1015916), (44, 923560), (55, 738848), (80, 507958), (88, 461780), (110, 369424), (121, 335840), (160, 253979), (176, 230890), (220, 184712), (242, 167920), (352, 115445), (440, 92356), (484, 83960), (605, 67168), (880, 46178), (968, 41980), (1210, 33584), (1760, 23089), (1936, 20990), (2099, 19360), (2420, 16792), (3872, 10495), (4198, 9680), (4840, 8396)]